AlphaGo

Alex has many hobbies, and one of them is the game of Go, so he is always handling the round white and black stones. One day, Alex went to a bookstore and picked up a certain book. It was a book filled with white and black circles lined up in rows, but when he saw the black circles extending above the lines, he despaired and immediately closed it. What kind of book had Alex opened?

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80%

★★★Hard